Question about 2000 Mercury Cougar

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Cooling fans won't run

2000 mercury cougar V6 cooling fans are not running an car over heats

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Check the cooling fan relays,and the fuses,also if the thermostat is stuck,the coolant sensor will not sense the hot coolant,and will not activate the relay that turns the cooling fans on,also,if the coolant is low,or has air in the system it will do this also.

Posted on Jun 04, 2010

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Posted on Jan 02, 2017

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I have a 99 Mercury Cougar 2.5 v6. I have only reverse. No forward gears. It's an automatic transmission


check the fluid condition/ex. full level/rose pink/red color is good if it's brown it's burning this could be from slipping/ improper cooling from hot running engine(the tranny lines go through the radiator)broken vacuum line/pressure loss dirty electrical connectors/blown switches inside the tranny/or the tranny is completely shot==this all depends on what you find if your engine has been running rough for a while your loosing vacuum inches and proper voltage and this will contribute to ruining a transmission in a short time also high heat /hot running engine == old transmission===I'm fried out === junk yard transmission=$$and a lot of work / rebuilt transmission===$$$$$ and other repairs as needed to not burn the new one out in 6 months or less good luck

Feb 27, 2015 | 1999 Mercury Cougar

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Why is water bubbling over in my overflow


You're overheating (bubbling) and low on coolant (no heat). You might have a leak causing the coolant to run low and that can cause the overheating, or possibly the cooling fans not turning on which can also cause overheating. Either way, you should get it looked at asap before you cause damage to head gaskets or something else.

Dec 15, 2012 | 2000 Mercury Cougar

1 Answer

2000 cougar running hot but fans are not kicking on


Check to see if the fans are connected to the wiring harness, if radiator was removed the shroud and fans had to be removed, are fan motors connected to wiring harness, are there any damaged wires at connectors, check the fans fuses at fuse box (Power Distribution Box) in the engine compartment (front right side)(push in on tab in front of box lift up then back to remove cover), Engine Cooling Fan Fuse, Yellow 60 amp, posistion #49, Check the Relays, Engine High Speed Cooling Fan, posistion #R8, Engine Cooling Fan, posistion #R9.

Aug 10, 2012 | 2000 Mercury Cougar

1 Answer

1996 Mercury Cougar 3.8 V6 ,,,The rediator fan is not coming on.


So can you jumper the relay to make the fan run?

The computer grounds the relay, so you can jumper the relay and the fan runs, check for a signal from the computer.

Jul 30, 2012 | Cars & Trucks

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Need to know why a 97 mercury cougar won't start until cooling fan and fuel pump stop running


I would think it's a problem with (CCRM) constant control relay module . This module has relay's inside that control the fuel pump , cooling fans , A/C compressor clutch , PCM - engine computer power relay . And thier are electronics involved , solid state circuity . Google CCRM
found this helpful answer from mercury mechanic on JustAnswer com

May 07, 2017 | 1997 Mercury Cougar XR7

2 Answers

How do I fix the problem of my cooling fan not turning off when the egnition isnt running for my 97 mercury cougar?


If the fan finally shuts down when after the motor is cool, then it is probably doing what it is supposed to.

Has it always done so?

If it hasn't always done so, or if it doesn't cut off, you could have a bad fan relay..... usually availablr at autozone or your local copy....

Jun 12, 2011 | 1997 Mercury Cougar XR7

1 Answer

How did you know when the cooling fans are not working


You may have one conventional belt-driven fan with a thermal clutch and the other electric or, both could be electric on your car.
The cooling fan that operates during non-AC operation (just a running engine) if electric, will be controlled by a thermal switch in the lower radiator tank and may not turn on at all unless the engine is warmed up. The belt-driven fan should be turning at some speed all the time if the engine is running and at much higher speed with a hot engine.
The fan that cools mostly when the AC is operating won't run under normal operation but may turn on in hot weather (or when the engine is under heavier loads) even without the AC operating.
Checking them would require having a warmed-up engine and the AC turned on. Both fans regardless of type should be turning then.

Jun 03, 2011 | 2000 Mercury Cougar

2 Answers

I have a 2000 cougar that is over heating after when ac is on. After installing a new air conditioner compressor


REmove radiator and have it clean, change thermostat and use good grade coolant.

Jul 10, 2009 | 2000 Mercury Cougar

2 Answers

1999 Mercury Cougar started overheating. There is no coolant loss; no water pump squeal etc. We replaced the thermostat with no effect on the overheating. It appears as if the electric radiator cooling...


My 1999 Cougar started running hot and I took it to my mechanic and he found that the water pump belt was broke. Replaced belt and all is well. Hope this help.

Jan 02, 2009 | 1999 Mercury Cougar

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